A soldering question.

[craftech]

The last time I did this I used a desoldering iron like this one:

http://www.radioshack.com/product/in...entPage=search

I never thought of the dental tool or toothpick method.

My question is this:

Given that the dental tool method works really well, why use the solder sucker at all? Why not simply heat the leads....remove the capacitors....stick the dental tool in there after reheating.......remove the dental tool.....stick the new capacitors in..........reheat the old solder to fasten them adding more if you need it?

John

[craftech]

Re: A soldering question.

Tried the toothpick method mentioned in another thread. Bad idea. Tip broke off inside the via and it was a bitch to remove the pieces before I could solder. Stick to the dental tool or stainless steel equivalent.
Didn't use the desoldering tool at all. Worked great.

Next time I want to try a can of compressed air from the component side to clean out the holes just for the heck of it.

John

[Per Hansson]

Re: A soldering question.

Next time I want to try a can of compressed air from the component side to clean out the holes just for the heck of it.

John

If there is a VIA in that hole you can say goodbye to that VIA...

[kc8adu]

Re: A soldering question.

i doubt it will kill the via...but the "canned air"in most places is r134a.its flammable!
could be unpleasant at the least to get a ball of fire in the face.

[willawake]

Re: A soldering question.

i got a can here, non-flammable it says on the can

still dumb ideas.

[willawake]

Re: A soldering question.

msds says : dimethyl ether 5-10%, tetrafluoroethane 60-100%

7.5 % by mass of the contents are flammable
Do not spray on a naked flame or incandescent material.

http://servisol.co.uk/wwwcrc/msds/UK20026-3.htm

hmmm think i need a antistatic vacuum. doesnt sound good to breathe

[tiresias]

Re: A soldering question.

msds says : dimethyl ether 5-10%, tetrafluoroethane 60-100%

7.5 % by mass of the contents are flammable
Do not spray on a naked flame or incandescent material.

http://servisol.co.uk/wwwcrc/msds/UK20026-3.htm

hmmm think i need a antistatic vacuum. doesnt sound good to breathe

Hi Will,

Tetrafluoroethane is not going to easily burn or react with much (aside from extremely reactive agents such as fluorine or the deadly ozone), so that won't realistically be a fire risk of any kind.

Me2O, on the other hand, is a readily flammable gas, so I'm surprised they've added it there, even in small quantities, since there are safer substitutes one could use.

Neither of those two is particularly toxic, however, so you won't have to worry about that... at least, unless you're breathing them very concentrated - then they would have a inhalant anesthetic-like effect.

The can I have here is 100% chlorodifluoromethane, which is non-flammable and nontoxic. Any damage to the ozone layer from a 400cc can is to be considered 'collateral'.

[craftech]

Re: A soldering question.

The cans I have say Difluroethane and 100% Ozone safe and Non-flammable. I don't see why this relatively low pressure can of air shouldn't work to blow out a hole. What's going to happen?